package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.minio.MinioProperties;
import com.atguigu.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {

    @Autowired
    private MinioProperties minioProperties;

    @Autowired
    private MinioClient minioClient;

    @Override
    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {
        //登录

        //判断桶是否存在
        boolean bucketExists = minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioProperties.getBucketName()).build());
        if (!bucketExists){
            //创建桶
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioProperties.getBucketName()).build());
            //设置桶的访问权限
            String config = """
                    {
                         "Statement" : [ {
                           "Action" : "s3:GetObject",
                           "Effect" : "Allow",
                           "Principal" : "*",
                           "Resource" : "arn:aws:s3:::%s/*"
                         } ],
                         "Version" : "2012-10-17"
                   }
                    """.formatted(minioProperties.getBucketName());

            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(minioProperties.getBucketName()).config(config).build());
        }

        String objectName = new SimpleDateFormat("yyyyMMdd").format(new Date()) + "/" + UUID.randomUUID().toString() + "_" + file.getOriginalFilename();
        //上传
        minioClient.putObject(PutObjectArgs.builder()
                        .bucket(minioProperties.getBucketName())
                        .object(objectName)//file.getOriginalFilename()
                        .stream(file.getInputStream(),file.getSize(),-1)
                        .contentType(file.getContentType())//设置文件上传的类型
                        .build());

        return String.join("/",minioProperties.getEndPoint(),minioProperties.getBucketName(),objectName);
    }
}
